3278468490 has 64 divisors (see below), whose sum is σ = 8601126912. Its totient is φ = 793160000.

The previous prime is 3278468489. The next prime is 3278468561. The reversal of 3278468490 is 948648723.

3278468490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156115 + ... + 175865.

It is an arithmetic number, because the mean of its divisors is an integer number (134392608).

Almost surely, 2^3278468490 is an apocalyptic number.

3278468490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3278468490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4300563456).

3278468490 is an abundant number, since it is smaller than the sum of its proper divisors (5322658422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3278468490 is a wasteful number, since it uses less digits than its factorization.

3278468490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20275.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 3278468490 is about 57257.9120296925. The cubic root of 3278468490 is about 1485.5604817847.

The spelling of 3278468490 in words is "three billion, two hundred seventy-eight million, four hundred sixty-eight thousand, four hundred ninety".